... ~2 group(s) relay output. 3 Panel-mount 4 Different timing mode optional Features: 1.8 bit micro-computer control, 1 ... ~2 group(s) relay output. 2. Multiple timing unit optional, including 0.01 second, 0.1 minute etc ... , 1s, 0.1m, 1m, 0.1h, 1h (optional software setting)Timing range0.1~99Power supply220VAC(default), 110VAC or 12VAC (other customized ...